From Rolls-Royce to Bentley to Porsche, royal rides are truly in a league of their own. This is not only because of their regal association but also because they are usually exclusive models, customised to meet the comfort and safety of some of the world’s most powerful monarchs. We take a look at some of these exclusive cars of royals like Queen Elizabeth II, the Emperor of Japan and King Gustaf of Sweden. Emperor of Japan Emperor Naruhito of.